#64739A#64739A

#64739A is a mid, moderate blue. Relative luminance 0.173; OKLCH L 55.9% C 0.063 H 268.1°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#64739A
RGB	rgb(100, 115, 154)
HSL	hsl(223, 21%, 50%)
HSV	hsv(223, 35%, 60%)
CMYK	cmyk(35.1%, 25.3%, 0%, 39.6%)
CIE-LAB	lab(48.64, 4.29, -22.89)
CIE-LCH	lch(48.64, 23.29, 280.61°)
OKLab	oklab(55.87% -0.0021 -0.0634)
OKLCH	oklch(55.87% 0.063 268.1)
XYZ	xyz(17.2173, 17.3032, 32.9983)
Luminance	0.1730 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64739A #9A8B64

analogous

#648E9A #64739A #70649A

triadic

#64739A #9A6473 #739A64

tetradic

#64739A #9A648E #9A8B64 #649A70

square

#64739A #9A648E #9A8B64 #649A70

split-complementary

#64739A #9A7064 #8E9A64

monochromatic

#343C50 #4C5775 #64739A #8994B2 #AEB6CA

Accessibility & contrast

On white

4.71

#64739A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#64739A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #64739A

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64739A	#FFFFFF	#000000	##FFFFFF
##64739A	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66769C

Deuteranopia (green-blind)

#617199

Tritanopia (blue-blind)

#547B80

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #64739a;
/* rgb */ color: rgb(100, 115, 154);
/* oklch */ color: oklch(55.9% 0.063 268.1);

Tailwind

colors: {
  custom: {
    50: '#929bb8',
    500: '#64739a',
    950: '#000000',
  },
}

SCSS

$custom: #64739a;
$custom-light: #929bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#64739a",
  "rgb": {
    "r": 100,
    "g": 115,
    "b": 154
  },
  "hsl": {
    "h": 223.333,
    "s": 21.26,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55868,
    "c": 0.06348,
    "h": 268.1
  },
  "luminance": 0.17304
}

Semantic roles & 50–950 ramp

primary

#64739A

secondary

#B9B2A1

accent

#A76ABE

background

#F9F9FB

surface

#F1F2F6

border

#CBCCD0

text

#0D0E11

muted

#7E7E80

Preview Lab

Preview with #64739A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →